Keystones — Lintel
Five GCSE retrieval questions · 19 July 2018 · mathsvault.uk/keystones
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1. Number Converting to standard form
16000
Answer: 1.6 × 104 -
2. Algebra Factorising monic quadratics
Factorise: x² - 4x + 4
Answer: (x - 2)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 18cm, angle = 34°. Find adjacent side
Answer: 14.9cm -
4. Ratio Mixed ratio problems
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 10, 13, 35, 16, 8, 40, 46
Answer: 24